220656548

素因数分解:

$2^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{197}}^1\times {\mathrm{367}}^1$

素因数の和:684

約数の個数: 48

約数和(自身を含む): 448842240

約数和(自身を除く): 228185692

約数列:

[1, 2, 4, 7, 14, 28, 109, 197, 218, 367, 394, 436, 734, 763, 788, 1379, 1468, 1526, 2569, 2758, 3052, 5138, 5516, 10276, 21473, 40003, 42946, 72299, 80006, 85892, 144598, 150311, 160012, 280021, 289196, 300622, 506093, 560042, 601244, 1012186, 1120084, 2024372, 7880591, 15761182, 31522364, 55164137, 110328274, 220656548]

約数ペア:

[(1, 220656548), (2, 110328274), (4, 55164137), (7, 31522364), (14, 15761182), (28, 7880591), (109, 2024372), (197, 1120084), (218, 1012186), (367, 601244), (394, 560042), (436, 506093), (734, 300622), (763, 289196), (788, 280021), (1379, 160012), (1468, 150311), (1526, 144598), (2569, 85892), (2758, 80006), (3052, 72299), (5138, 42946), (5516, 40003), (10276, 21473)]